<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>font-size:px/rm/rem</title>
<!-- 16px*62.5%=10px；1.6em=16px -->
<style type="text/css">
body {
	font-size: 62.5%;
}

.limit-num {
	font-size: 1.4em;
	font-weight: 700;
	color: #323232;
	font-family: Arial;
	text-decoration: line-through;
}
</style>
</head>
<body>
	<span class="limit-num">限额 <span>300</span>位 | 剩余 <span>114</span>位
	</span>
</body>
</html>
